Zone-Specific Guide
Grow Kohlrabi in Zone 5a
Your complete guide to growing kohlrabi in USDA Hardiness Zone 5a — planting windows, care tips, and harvest timing.
Spring/Fall
🌡️ Zone 5a
Days to Harvest
45–60
Spacing
6–10"
Method
Both
Season
Spring/Fall
When to Plant Kohlrabi in Zone 5a
Start Indoors
Feb 15 – Apr 1, Jul 1 – Aug 1
Transplant Outdoors
Apr 15 – Jun 1, Aug 1 – Sept 1
Direct Sow
Apr 1 – Jun, Aug – Sept 15
How to Grow Kohlrabi in Zone 5a
📋 Key Timing Note
Spring and fall windows. Fall planting often produces better heads — less pest pressure.
Start seeds indoors during Feb 15 – Apr 1, Jul 1 – Aug 1. Transplant seedlings outdoors between Apr 15 – Jun 1, Aug 1 – Sept 1. Direct sow seeds between Apr 1 – Jun, Aug – Sept 15. Space plants 6–10" apart. Expect to harvest in approximately 45–60 days.
Common Pests in Zone 5a
Watch for these pests when growing kohlrabi in your area.
Frequently Asked Questions
When should I plant Kohlrabi in Zone 5a?
Start seeds indoors Feb 15 – Apr 1, Jul 1 – Aug 1. Transplant outdoors Apr 15 – Jun 1, Aug 1 – Sept 1.
How far apart should I plant Kohlrabi in Zone 5a?
Space kohlrabi plants 6–10" apart in Zone 5a. This gives them adequate room for airflow and root development.
What pests affect Kohlrabi in Zone 5a?
Common pests for kohlrabi in Zone 5a include cabbage worms, aphids. Use companion planting and row covers as first-line defense.
How long until Kohlrabi is ready to harvest in Zone 5a?
In Zone 5a, expect kohlrabi to be ready in approximately 45–60 days from planting. Spring and fall windows. Fall planting often produces better heads — less pest pressure.